[  797.291467][T14753] netdevsim netdevsim313 eni313np1: renamed from eth0
[  797.306600][T14752] netdevsim netdevsim642 eni642np1: renamed from eth1
[  797.945982][T14741] Could not find device with ifindex 2000 in netnsfd 11
[  797.946516][T14741] Could not find netns with fd: 2000
[  797.946891][T14741] Cannot link a netdevsim to itself
[  797.947329][T14741] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).